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Product Detailed Parameters
- Description：DIODE STD 400V 500MA A SQMELF
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：400 V
- Current - Average Rectified (Io)：500mA
- Voltage - Forward (Vf) (Max) @ If：1 V @ 400 mA
- Speed：Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：50 nA @ 400 V
- Capacitance @ Vr, F：-
- Mounting Type：Surface Mount
- Package / Case：SQ-MELF, A
- Supplier Device Package：A, SQ-MELF
- Operating Temperature - Junction：-65°C ~ 175°C
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Overview
The Microchip Technology 1N6662US/TR is a standard recovery rectifier designed for surface-mount applications. It features a maximum repetitive reverse voltage of 400 V and an average forward current rating of 500 mA. The device exhibits a typical forward voltage drop of 1 V and a maximum surge current capability of 5 A. Reverse leakage current is specified at 50 nA. It operates within a junction temperature range of -65°C to +175°C and is housed in the D-5A-2 package.
Feature Summary
- Standard recovery rectifier technology optimized for general-purpose switching applications
- High thermal stability supporting operation up to +175°C junction temperature
- Surface-mount construction utilizing the D-5A-2 package for automated assembly
Applications
- General-purpose rectification in power supply circuits
- Protection of sensitive electronic components from voltage transients
- DC-to-AC or AC-to-DC conversion stages in industrial equipment
Procurement Notes
Verify the specific suffix configuration against the manufacturer's official datasheet to ensure compatibility with design requirements. Confirm RoHS compliance status, as indicated by the 'N' designation in available documentation, prior to integration. Validate that the D-5A-2 package dimensions align with the intended PCB footprint and soldering profile specifications.
Selection Notes
Select this component when a standard recovery diode with a 400 V blocking voltage and 500 mA current capacity is required in a compact surface-mount form factor. Ensure the application does not demand ultra-fast recovery characteristics, as this device utilizes standard recovery technology. Verify that the operating environment remains within the specified -65°C to +175°C temperature range for reliable performance.
Part Context
This part belongs to the 1N66xx series of rectifiers manufactured by Microchip Technology. The series includes variants with different voltage and current ratings, such as the 1N6661 and 1N6663. The US/TR suffix indicates a surface-mount MELF-style package supplied in tape and reel format for high-volume manufacturing processes.
Replacement Considerations
Consult official substitution guides for equivalent parts within the same voltage and current class. Verify pinout compatibility and thermal dissipation characteristics before replacing existing designs.
